Overview
The CJSMBJ40A is an ESD And Surge Protection made by Jiangsu Changjing Electronics Technology (CJ) in a SMBG package with 2 pins.
PCBKit's library has its KiCad symbol (Device:D_TVS, from KiCad's library) and its footprint (EasyEDA_Cloud:SMBG_L4.3-W3.6-LS6.2-RD, from EasyEDA), ready for a KiCad board. 2,348 are in stock at JLCPCB (part C7499141).
Symbol
Footprint
Parameters
9- Clamping Voltage
- 63.9V
- Number of Channels
- 1
- Peak Pulse Current (Ipp)
- 9.3A@10/1000us
- Peak Pulse Power Dissipation (Ppp)
- 600W@10/1000us
- Polarity
- Unidirectional
- Reverse Leakage Current (Ir)
- 5uA
- Reverse Stand-Off Voltage (Vrwm)
- 40V
- Type
- TVS
- Voltage - Breakdown
- 49.07V
Order codes
1- CJSMBJ40ALCSC C7499141
Pinout
2| Pin | Name | Type |
|---|---|---|
| 1 | A1 | Passive |
| 2 | A2 | Passive |
Show this part on your page
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Is there a KiCad symbol and footprint for the CJSMBJ40A?
Yes. The symbol is Device:D_TVS and the footprint EasyEDA_Cloud:SMBG_L4.3-W3.6-LS6.2-RD, both drawn on this page. PCBKit places them on a board for you when you design with it.
What package is the CJSMBJ40A?
SMBG, with 2 pins. Its footprint is drawn on this page.
Where is the CJSMBJ40A datasheet?
Jiangsu Changjing Electronics Technology (CJ) publishes it: the Datasheet link on this page opens it.
Where can I order the CJSMBJ40A?
JLCPCB lists it as part C7499141, with 2,348 in stock; the sellers' links on this page open their listings.
What can replace the CJSMBJ40A?
Parts like it in the library: the MASMBG40CAE3 by Microchip Technology, the MSMBG40A/TR by Microchip Technology, the MSMBG40AE3/TR by Microchip Technology and the MSMBG40CA/TR by Microchip Technology. Check their datasheets: a part that fits the footprint may still differ in its ratings.
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